Ondansetron 4 mg Tablets is included in the Pill Pass Discount Drug List at Pill Pals Pharmacy. This educational article summarizes key FDA-label topics for patients, caregivers, and prescribers who want a plain-language overview before speaking with a physician or pharmacist.
Drug Name
Ondansetron 4 mg Tablets
FDA Labeled Indications
Ondansetron is FDA-labeled for prevention of nausea and vomiting associated with highly emetogenic cancer chemotherapy, radiotherapy, and postoperative nausea and vomiting depending on product and setting.
Contraindications
Contraindications include hypersensitivity to ondansetron or other selective 5-HT3 receptor antagonists, and concomitant use with apomorphine.
Warnings
Warnings include QT prolongation, torsades de pointes, serotonin syndrome, hypersensitivity reactions, and masking of progressive ileus or gastric distension after surgery or chemotherapy.
Precautions
Use caution with congenital long QT syndrome, electrolyte abnormalities, heart failure, bradyarrhythmias, QT-prolonging drugs, serotonergic drugs, and liver impairment.
Adverse Reactions
Adverse reactions may include headache, constipation, diarrhea, dizziness, fatigue, and, rarely, heart rhythm changes or allergic reactions.
Pill Pass Discount Drug List Notes
Availability, quantity limits, manufacturer selection, and final dispensing decisions may depend on prescription requirements, clinical appropriateness, inventory, and applicable law. This article is informational and is not a substitute for individualized medical advice, diagnosis, treatment, or the full FDA-approved labeling for the dispensed product.
Related Pill Pass Discount Drug List Articles
For related medications on the same Pill Pass Discount Drug List, you may also review Ondansetron 8 mg Tablets, Omeprazole 40 mg Capsules, Oxybutynin 5 mg Immediate Release Tablets, and Omeprazole 20 mg Capsules.
Source note: this article is written as a patient-friendly summary of FDA labeling topics available through DailyMed and related FDA labeling resources. Manufacturer-specific labeling can vary, so patients should rely on the medication guide, package insert, prescriber instructions, and pharmacist counseling for their specific product.
Ondansetron 4 mg Tablets is on the Pill Pass List. This information is accurate as of May 13, 2026. If you would like more information on this medication, please contact your Physician or Pharmacist.
